CN103128937B - A kind of removing method of small teeth plastic gear member and device - Google Patents

A kind of removing method of small teeth plastic gear member and device Download PDF

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Publication number
CN103128937B
CN103128937B CN201110381717.1A CN201110381717A CN103128937B CN 103128937 B CN103128937 B CN 103128937B CN 201110381717 A CN201110381717 A CN 201110381717A CN 103128937 B CN103128937 B CN 103128937B
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China
Prior art keywords
gear member
newel
pore
gear
centre bore
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CN201110381717.1A
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Chinese (zh)
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CN103128937A (en
Inventor
叶曙兵
王立新
苏伯江
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Shenzhen mechatronics, mechatronics and Limited by Share Ltd
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Shenzhen Zhaowei Machinery and Electronics Co Ltd
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Abstract

The present invention relates to a kind of removing method and device of small teeth plastic gear member.The present invention by arranging newel and pore on flat board, by means of only the centre bore of newel through gear member, limit gear member along the displacement with the direction movement of gear member central axis, and then by vacuumizing the pore blocked by the end face of gear member, gear member is attached on flat board because the reason of atmospheric pressure tightly pushes down, thus is made by gear member gear member fixing on the direction of the central shaft level with gear member.There is method simple, the feature that efficiency is higher.And there will not be because the tooth misalignment of the tooth of hole slot and gear time, rob hole slot by force and be buckled on gear member, the problem of the damage of gear teeth can be caused.And gear is fixed compared to arranging hole slot by the present invention, has structure more simple, processes the advantage that cost is cheaper.

Description

A kind of removing method of small teeth plastic gear member and device
[technical field]
The present invention relates to a kind of removing method and device of small moulding, particularly a kind of removing method of small teeth plastic gear member and device.
[background technology]
When injection moulding miscellaneous goods, in order to save die cost and the cost that saves time, frequent needs offer multiple die cavity in a mould, thus success once becomes mould can produce multiple product, after product injection moulding completes, product to be taken out from mould, for the mould that the moulding in each die cavity is all identical, only need to adopt thimble to be ejected by product, it is allowed to fall in barrel, but when the moulding size and shape in each die cavity is different, then need to carry out taking-up branch to product, when needs by product take out and branch time, for the moulding that body is larger, the manipulator with suction nozzle can be adopted or directly adopt and manually capture, but for very small product, especially the minor items in mould is embedded, adopt and clutch and adopt suction nozzle to draw all a few nothing possibility.
(number of patent application is Chinese utility model patent: 201020527717.9, patent name is: Vacuumizing clamping fixture) disclose a kind of Vacuumizing clamping fixture, it comprises the upper mounted plate and bottom plate that are fixed together, outer surface with treat that the profile of product of clamping is to the square block mated, profiling block is connected on upper mounted plate dismountablely, between upper mounted plate and bottom plate, sealing is formed with gas chamber, profiling block offers multiple pore, upper mounted plate offers the gas passage being communicated with gas chamber and pore, bottom plate also offers the converting interface being communicated with gas chamber and vavuum pump.The profiling block of this patent removably connects, and the configuration design according to the product that is fixed is changed, when product design is circular, the hole slot of this profiling block also designs conglobate, when the profile of product is square, the hole slot of this profiling block is also designed to square, and this hole slot contacts with the outer surface of product, by hole slot, product is fixed, product is made to be difficult to move up and down, simultaneously by vacuumizing, to a kind of pressure of product formation, make product be difficult to move forward and backward, thus product is completely fixed thoroughly.
Above-mentioned method for routine minor items relatively good, but for minute gear part, then be not suitable for, reason is that gear be outer surface is zigzag, even if so design hole slot the same with gear shape, be also difficult to the tooth of hole slot to be aimed at the tooth of gear, when adding the tooth misalignment of the tooth of hole slot and gear, robbing hole slot is by force buckled on gear member, can cause the damage of gear teeth.
[utility model summary of the invention]
Object of the present invention is exactly to solve prior art Problems existing, proposes a kind of device taken out for small teeth plastic gear member newly.
Concrete technical scheme of the present invention is as follows:
The invention provides a kind of withdrawing device of small teeth plastic gear member, it is characterized in that, this withdrawing device comprises newel, pore and vaccum-pumping equipment, and described newel is used for: by the centre bore through gear member, limits gear member along the displacement with the direction movement of gear member central axis; Described pore is for blocking the end face of gear member, and described vaccum-pumping equipment is for making gear member fixing on the direction of the central shaft level with gear member by the evacuating air in pore.
The diameter of described newel is less than the aperture of gear member centre bore.
Described newel is arranged on a flat board, and the centre bore of described newel and gear member faces.
Described pore is also arranged on flat board, and multiple gas cell distribution in the surrounding of newel, and is arranged in a circle, and the end face of described pore and gear member faces.
Also abut a fixed head at the rear board of described flat board, this fixed head is provided with the air flue for being communicated with vaccum-pumping equipment and pore.
Compared to prior art, the present invention by arranging newel and pore on flat board, by means of only the centre bore of newel through gear member, limit gear member along the displacement with the direction movement of gear member central axis, and then by vacuumizing the pore blocked by the end face of gear member, gear member is attached on flat board because the reason of atmospheric pressure tightly pushes down, thus is made by gear member gear member fixing on the direction of the central shaft level with gear member.There is method simple, the feature that efficiency is higher.
And there will not be because the tooth misalignment of the tooth of hole slot and gear time, rob hole slot by force and be buckled on gear member, the problem of the damage of gear teeth can be caused.
And gear is fixed compared to arranging hole slot by the present invention, has structure more simple, processes the advantage that cost is cheaper.
[accompanying drawing explanation]
Fig. 1 is the perspective view of the withdrawing device of the small teeth plastic gear member of the present invention;
Fig. 2 be the present invention's small teeth plastic gear member withdrawing device on be with cogged front view;
Fig. 3 is the side view of the withdrawing device of the small teeth plastic gear member of the present invention.
Detailed description of the invention
In order to make the object of invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not used for limiting the present invention.
Embodiment
As Figure 1-3, the present embodiment provides a kind of withdrawing device of small teeth plastic gear member and utilizes this device to take out the method for teeth plastic gear member.This withdrawing device comprises one dull and stereotyped 10 and one fixed head 20, described dull and stereotyped 10 and fixed head 20 be bolted, described fixed head 20 contacts with dull and stereotyped rear board, described dull and stereotyped front panel is fixedly installed multiple newel 11 and multiple pore 12, described newel 11 is perpendicular to the described front panel of dull and stereotyped 10, multiple pore 12 is arranged in a circle, and be distributed in the surrounding of newel 11, the centre bore 31 that the position of the distribution of described newel 11 is positioned at gear 30 is identical at the distributing position of mould, to ensure that withdrawing device of the present invention is when mould is close, described newel can insert in described centre bore, on the end face that can not strike gear or mould, and the diameter of described newel 11 is less than the aperture 31 of centre bore, being beneficial to newel 11 can be inserted in described centre bore 31 easily, and smoothly gear can be unloaded from withdrawing device after gear takes out by withdrawing device in mould and put down.
The distributing position of multiple pore just abuts against with gear face, and by the end face of gear, pore all can be blocked, described pore 12 is through hole, this withdrawing device also comprises a vaccum-pumping equipment (not shown), described fixed head 20 is provided with the air flue (not shown) be communicated with described pore 12, described air flue is connected with described vaccum-pumping equipment, taken away by the gas of vaccum-pumping equipment by pore 12, thus atmospheric pressure can be utilized to be squeezed on flat board by gear member, if gear is pressed on flat board only by atmospheric pressure, but also have gap due to dull and stereotyped with the contact position of gear face, so, and contact surface that is dull and stereotyped and gear is less, be difficult to be formed enough large frictional force to stop gear along flat board to downslide, move down so need to arrange newel to stop gear, gear member is fixed on flat board.
Because the diameter of newel 11 is less than the aperture of centre bore 31, so at central gear axis axially, newel and centre bore can not produce frictional force, but when central shaft and the horizontal plane keeping parallelism of described gear, described newel 11 can produce contact force perpendicular to the direction of horizontal plane, and described gear 30 holds up by described newel 11.So preferably, the slab normal of described withdrawing device is placed in horizontal plane.
Preferably, the length of described newel 11 is identical with the thickness of gear, in order that can after described newel 11 inserts described centre bore 31, mould can not be propped up because its length is long, and mould is wounded, and when the length of newel 11 is more much larger than the thickness of gear, when described newel 11 inserts described centre bore 31 and abuts with mould, and gear does not abut with the front panel of flat board, even if vacuumize this time, what be also difficult to gear is contacted with described flat board is very tight.
Described withdrawing device is installed on a robotic arm or is arranged on slide rail, withdrawing device near mould time, described newel 11 faces with the centre bore 31 of described gear, along with withdrawing device continues near mould, and newel 11 inserts described centre bore 31, when the end face of described gear 30 abuts against with the front panel of dull and stereotyped 10, described vaccum-pumping equipment starts to vacuumize, after air in described pore is taken away, gear is flat board because the pressure of air will tightly be fitted, now, withdrawing device is moved backward, thus gear is pulled out from mould, after gear is pulled out in mould, blown to pore by vaccum-pumping equipment, thus gear can be blown off from withdrawing device, or adopt manipulator that the gear that withdrawing device adsorbs is aimed at the entrance of branch frame, and by the release mode of vacuum or the mode of air blowing, gear is dropped in the barrel of branch frame.
Preferably, before and after the mould that withdrawing device of the present invention is corresponding, the direction of mould movement is for moving horizontally, and after the front mould of mould is removed, the central shaft of described gear and plane-parallel, when the demoulding, first the round needle of formative gear centre bore is exited in gear, avoid with thimble, gear being ejected in die cavity simultaneously, insert the centre bore 31 of gear at newel 11 after, directly by gear sucking-off from die cavity.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (5)

1. a removing method for small teeth plastic gear member, described teeth plastic gear member is positioned at mould, and it is characterized in that, the method comprises: by newel and pore simultaneously to mold movement; By the centre bore of newel through gear member, limit gear member along the displacement with the direction movement of gear member central axis; The end face of gear member is blocked pore, by the evacuating air in pore, makes gear member axially fixing at gear member central shaft; Newel and pore are detached mould simultaneously, gear member is taken out from mould;
Be installed on by described newel on the front panel of a flat board, the centre bore of described newel and gear member faces;
The length of described newel is identical with the thickness of gear member, for after described newel inserts described centre bore, can not prop up mould, and mould is wounded because described core length is spent long;
Described pore is arranged on flat board, and pore is multiple, and multiple gas cell distribution in the surrounding of newel, and is arranged in a circle, and the end face of described pore and gear member faces.
2. the removing method of small teeth plastic gear member according to claim 1, it is characterized in that, the diameter of described newel is less than the aperture of gear member centre bore.
3. the withdrawing device of a small teeth plastic gear member, it is characterized in that, this withdrawing device comprises newel, pore and vaccum-pumping equipment, and described newel is used for: by the centre bore through gear member, limits gear member along the displacement with the direction movement of gear member central axis; Described pore is for blocking the end face of gear member, and described vaccum-pumping equipment is used for the evacuating air in pore, makes gear member axially fixing at gear member central shaft;
Described newel is arranged on a flat board, and the centre bore of described newel and gear member faces;
The length of described newel is identical with the thickness of gear member, for after described newel inserts described centre bore, can not prop up mould, and mould is wounded because described core length is spent long;
Described pore is also arranged on flat board, and multiple gas cell distribution in the surrounding of newel, and is arranged in a circle, and the end face of described pore and gear member faces.
4. the withdrawing device of small teeth plastic gear member according to claim 3, is characterized in that, the diameter of described newel is less than the aperture of gear member centre bore.
5. the withdrawing device of small teeth plastic gear member according to claim 3, it is characterized in that, also abut a fixed head at the rear board of described flat board, this fixed head is provided with the air flue for being communicated with vaccum-pumping equipment and pore.
CN201110381717.1A 2011-11-24 2011-11-24 A kind of removing method of small teeth plastic gear member and device Active CN103128937B (en)

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CN103128937B true CN103128937B (en) 2015-07-29

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109501116A (en) * 2018-10-23 2019-03-22 湖南格兰博智能科技有限责任公司 A kind of encapsulated injection molding automatic machining device of wheel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2936675Y (en) * 2006-08-28 2007-08-22 比亚迪精密制造有限公司 Automatic demould device
CN101802999A (en) * 2007-08-09 2010-08-11 琳得科株式会社 The processing method of stationary fixture and workpiece
CN202412619U (en) * 2011-11-24 2012-09-05 深圳市兆威机电有限公司 Taking device for small plastic gear part

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000167888A (en) * 1998-12-07 2000-06-20 Mitsubishi Materials Corp Apparatus for taking out molded article

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2936675Y (en) * 2006-08-28 2007-08-22 比亚迪精密制造有限公司 Automatic demould device
CN101802999A (en) * 2007-08-09 2010-08-11 琳得科株式会社 The processing method of stationary fixture and workpiece
CN202412619U (en) * 2011-11-24 2012-09-05 深圳市兆威机电有限公司 Taking device for small plastic gear part

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Address after: 518103 18 Dragon King Temple Industrial Park, Fuyong Town, Baoan District, Shenzhen, Guangdong

Patentee after: Shenzhen mechatronics, mechatronics and Limited by Share Ltd

Address before: 518103 18 Dragon King Temple Industrial Park, Fuyong Town, Baoan District, Shenzhen, Guangdong

Patentee before: Shenzhen Zhaowei Machinery & Electronics Co., Ltd.

CP01 Change in the name or title of a patent holder